Hanna Instruments HI 95715 - Manual (Page 13)

13
MEASUREMENT PROCEDURE
• Turn the meter on by pressing ON/OFF.
• When the LCD displays “715”, it is ready.
• Fill the cuvet with 10 mL of unreacted sample,
up to the mark, and replace the cap.
• Place the cuvet into the holder and ensure that
the notch on the cap is positioned securely into
the groove.
• Press ZERO and “SIP” will blink on the display.
• After a few seconds the display will show
“ -0.0- ”. The meter is now zeroed and ready
for measurement.
• Remove the cuvet, open it and add 4 drops of
HI 93715A-0 First Reagent (6 drops in case
of seawater analysis).
Swirl the cuvet gently
to mix.
• Add 4 drops of HI 93715B-0 Second Reagent
to the cuvet (10 drops in case of seawater
analysis).
Replace the cap and swirl the cuvet
to mix.
MEASUREMENT PROCEDURE
Turn the meter on by pressing ON/OFF and follow instruction manual to perform either the
MEASUREMENT, VALIDATION or CALIBRATION PROCEDURE.